Energy stocks post modest opening gains on

SAN FRANCISCO (MarketWatch) -- Oil and gas stocks opened Friday with a set of modest gains, riding an overnight reversal in crude-oil prices and a U.S. jobs report that held no unpleasant surprises. Early trades sent the NYSA Arcca Oil Index
XOI, +0.22%
0.7% higher to 886 points while the NYSE Arca Natural Gas Index
XNG, +0.86%
rose 0.5% to 482 points and Philadelphia Oil Service Sector Index
OSX, +0.74%
was up 0.8% at 166 points. European-based Royal Dutch Shell
RDS.A, -0.31%
and Total SA
TOT, +0.20%
were leading percentage gainers in the oil group, both up 1.6%. Crude for August delivery was last off 10 cents at $72.85 a barrel in New York after trading as high as $73.38.

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